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Unit 5 - Lesson 21 - Grade 5: Illustrative Mathematics
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Instructions
Lesson: Multiply More Decimals
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Cool Down: Explain Why Expressions are Equal
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Grade 5 Unit 5
Lesson 21: Multiply More Decimals
CC BY 2021 Illustrative Mathematics
Grade 5 Unit 5
Lesson 21: Multiply More Decimals
CC BY 2021 Illustrative Mathematics
Estimation Exploration: Central Park (Warm Up)
Question 1
1.
Central Park is a large park in Manhattan. It is about 3.85 kilometers long and 0.79 km wide. What is the area of Central Park?
Record an estimate that is:
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Multiply More Decimals
Question 2
2.
Explain or show why this pair of expressions are equivalent.
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Question 3
3.
Explain or show why this pair of expressions are equivalent.
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Question 4
4.
Explain or show why this pair of expressions are equivalent.
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Question 5
5.
Find the value of the products in the previous problem.
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Choose Your Strategy
Question 6
6.
Find the value of the product.
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Question 7
7.
Find the value of the product.
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Question 8
8.
Find the value of the product.
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Question 9
9.
Explain why 2.5 x 6.4 and (25 x 64) x 0.01 are equal.
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Question 10
10.
Find the value of 2.5 x 6.4.
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